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  • OPA227: The absolute maximum ratings of the OPA227

    Part Number: OPA227 Hi, team! Regarding the absolute maximum ratings of the OPA227, the datasheet only lists the values for the power pins and input pins. Have the absolute maximum ratings for the other pins been measured? If they have, could you…
    • Answered

  • OPA227: Constant current source application with opa227

    Resolved
    Part Number: OPA227 Tool/software: Hi TI expert I am now ready to use opa227 in a constant current source application. The annex is a constant current source circuit and loop stability simulation , the load is connected to GND , the sampling resistor…
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    • Answered

  • OPA227: About Vos.

    Resolved
    Part Number: OPA227 Hi Expert, Have a nice day! I have question need your professional support: For OPA227, it’s Vos is about 10uV: So, If I connect V+ and V- to ground as this schematic, then the Vout should be 100*Vos=1mV. Is the equation…
    • Resolved

  • LMH6321: Output Swing Limitation on LMH6321/OPA227 in 5V Single-Supply 1PPS Application

    TI Thinks Resolved
    Part Number: LMH6321 Other Parts Discussed in Thread: OPA227 , Hi Team, Posting on behalf of our customer. I will share this E2E post to our customer so he can reply when needed. I am using the OPA227 and LMH6321 in a 1PPS (Pulse Per Second) buffer…

  • OPA227: OPA227 output has negative（positive） bias, when using a capacitive voltage sensor

    TI Thinks Resolved
    Part Number: OPA227 Other Parts Discussed in Thread: OPA191 , OPA277 Tool/software: 1. The principle of capacitive voltage sensor is shown in the picture: 2. The schematic diagram of the design, as shown in the picture: (The schematic only leaves a…

  • OPA227: What kind of conditions are required to achieve the lowest THD+N? I need to measure it down to 0.00005%.

    TI Thinks Resolved
    Part Number: OPA227 Other Parts Discussed in Thread: OPA277 I need to understand how the THD+N of your OPA227 operational amplifier is tested (as described on page 10 of the datasheet). Our test results differ from the specifications listed in the datasheet;…

  • OPA227: I only want to delete my account.

    TI Thinks Resolved
    Part Number: OPA227 Tool/software: How can I delete my account. Thank you for your time.
    • Answered

  • OPA227: regarding to the linearity

    Resolved
    Part Number: OPA227 Other Parts Discussed in Thread: OPA210 , OPA197 , OPA192 Hello team, I have a question about regarding thread above. Could you suggest a device similar to the OPA227 with improved linearity on the negative side? Regards, …
    • Resolved

  • OPA355 and OPA227 : noise information in macro view of TINA simulation

    Other Parts Discussed in Thread: OPA355 Hello this is seongmun kim nowaday, i am running to simulation about noise analysis. but example noise information in macro is not correct for analysis. can i share the inforamtion about noise component for OPA355…
    • Answered

  • OPA227: How to add TTL or PWM switching to control a constant current source circuit?

    Resolved
    Part Number: OPA227 Other Parts Discussed in Thread: LM3409 , Hi Team, If the customer want to add TTL control, what should they do? 1) the preliminary preparation is shown as below, a MOS tube is connected in series. However, it was found that…
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